#6B3670
Closest named color: Rebecca Purple (#663399). oklch(42.5% 0.111 324), rgb(107, 54, 112).
Aa
White text reads best on this color (8.79:1).
About this color
#6B3670 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.111 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.071 away. White text reads best on it, at 8.79:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #6B3670 |
| RGB | rgb(107, 54, 112) |
| HSL | hsl(295, 35%, 33%) |
| OKLCH | oklch(42.5% 0.111 324) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6B3670 | 8.79:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #6B3670 | 2.38:1 | Fails | Lc 14.2 | Not readable |
| #6B3670 text on white | 8.79:1 | AAA | Lc 89.8 | Fine for body text |
| #6B3670 text on black | 2.38:1 | Fails | Lc -12.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E6D2E7
oklch(88.6% 0.036 324.4)
-
Step 300
300
#D6B3D9
oklch(80.9% 0.065 323.6)
-
Step 400
400
#C18AC5
oklch(70.7% 0.104 324.3)
-
Step 500
500
#B06BB6
oklch(63% 0.133 324.1)
-
Step 600
600
#9B52A2
oklch(55.6% 0.143 324)
-
Step 700
700
#84428B
oklch(49.1% 0.133 323.7)
-
Step 800
800 (this color)
#6B3670
oklch(42.5% 0.111 324)
-
Step 900
900
#58305B
oklch(37.8% 0.086 324.6)
-
Step 950
950
#331C35
oklch(26.8% 0.055 324.1)
#6B3670 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F4672 | 0.105 |
| Deuteranopia (no green cones) | #3E4D6E | 0.095 |
| Tritanopia (no blue cones) | #6D3D4E | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3670
#6B3670
oklch(42.5% 0.111 324)
- #1F5D22
#1F5D22
oklch(42.4% 0.111 144.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B3670, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.071
- Light Eggplant #894585 ΔE 0.077
- Brownish Purple #76424E ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.078
- Velvet #750851 ΔE 0.081
- Rich Purple #720058 ΔE 0.083
- Purple #800080 ΔE 0.083
- Twilight #4E518B ΔE 0.086
Use #6B3670 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.